13=30-q

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Solution for 13=30-q equation:


Simplifying
13 = 30 + -1q

Solving
13 = 30 + -1q

Solving for variable 'q'.

Move all terms containing q to the left, all other terms to the right.

Add 'q' to each side of the equation.
13 + q = 30 + -1q + q

Combine like terms: -1q + q = 0
13 + q = 30 + 0
13 + q = 30

Add '-13' to each side of the equation.
13 + -13 + q = 30 + -13

Combine like terms: 13 + -13 = 0
0 + q = 30 + -13
q = 30 + -13

Combine like terms: 30 + -13 = 17
q = 17

Simplifying
q = 17

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